Patents by Inventor Biao Duan

Biao Duan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8361236
    Abstract: A smokable composition includes (a) a smokable material; and (b) a supramolecular assembly. The supramolecular assembly comprises a flavorant and at least one selected from the group consisting of O,O?-dibenzoyl-(2R,3R)-tartaric acid, a hydrate thereof or a salt thereof, and ditoluoyl-(2R,3R)-tartaric acid, a hydrate thereof or a salt thereof. In addition, a smoking article comprises a rod of tobacco or tobacco substitute, optionally a filter attached to the rod, and the supramolecular assembly, as menthol-release agent.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: January 29, 2013
    Assignee: Philip Morris USA Inc.
    Inventors: Biao Duan, Munmaya K. Mishra, Peter J. Lipowicz, Shengsheng Liu
  • Publication number: 20120048285
    Abstract: Compositions are provided which contain immobilized flavorants, in the form of supramolecular complexes of flavorant compounds, for flavor delivery. One embodiment relates to the flavorant supramolecular complexes themselves; Other embodiments relate compositions which contain the flavorant supramolecular complexes and a substrate. In particular embodiments, the substrate is smokable, but in other embodiments may be non-smokable or comestible.
    Type: Application
    Filed: March 25, 2011
    Publication date: March 1, 2012
    Applicant: Philip Morris USA Inc.
    Inventors: Munmaya K. Mishra, Biao Duan, Peter J. Lipowicz, William R. Sweeney
  • Publication number: 20110253584
    Abstract: A scratch-and-sniff coating is provided comprised of a first coating on a substrate having a water- and heat-resistant second coating thereon, the first coating being comprised of a non-encapsulated flavor/fragrance component and a polysaccharide component, and the second coating comprised of a shellac component. The scratch-and-sniff coating is made by forming a first coating comprised of a non-encapsulated flavor/fragrance component and a polysaccharide component and drying the first coating, and forming a water- and heat-resistant shellac-containing second coating on the first coating, and drying the second coating. An encapsulated flavor/fragrance component may optionally be present in the first coating. The scratch-and-sniff coating can be applied to a package for a consumer article.
    Type: Application
    Filed: April 15, 2010
    Publication date: October 20, 2011
    Inventor: Biao DUAN
  • Publication number: 20110083680
    Abstract: A tobacco-free oral pouch product providing immediate and long lasting flavor release comprises a pouch wrapper and tobacco-free flavor beads contained within the pouch wrapper. The flavor beads comprise at least one of microcrystalline cellulose, pectin and sodium alginate, at least one polymer having a higher solubility in saliva than microcrystalline cellulose, pectin and/or sodium alginate, and at least one flavorant. The pectin and sodium alginate are cross-linked. The tobacco-free flavor beads provide immediate release of the flavorant upon placement of a pouch product in a user's mouth and long lasting release of the flavorant for about 15 minutes to about 80 minutes. The oral pouch product contains only tobacco-free flavor beads.
    Type: Application
    Filed: May 27, 2010
    Publication date: April 14, 2011
    Applicant: Philip Morris USA Inc.
    Inventors: Munmaya K. Mishra, Biao Duan, Daqing Wu, William R. Sweeney
  • Publication number: 20110083679
    Abstract: Disclosed is a copolymer that includes a repeat unit containing a flavorant-containing pendant and a salt-containing repeating unit. In addition, a comestible, a smoking composition, a smoking article, a smokeless tobacco composition and a heatable or combustible product are provided which incorporate one or more of the flavorant-containing copolymer.
    Type: Application
    Filed: October 9, 2009
    Publication date: April 14, 2011
    Applicant: Philip Morris USA Inc.
    Inventors: Shengsheng Liu, Munmaya K. Mishra, Peter J. Lipowicz, Biao Duan
  • Publication number: 20110083678
    Abstract: A smokable composition includes (a) a smokable material; and (b) a supramolecular assembly. The supramolecular assembly comprises a flavorant and at least one selected from the group consisting of O,O?-dibenzoyl-(2R,3R)-tartaric acid, a hydrate thereof or a salt thereof, and ditoluoyl-(2R,3R)-tartaric acid, a hydrate thereof or a salt thereof. In addition, a smoking article comprises a rod of tobacco or tobacco substitute, optionally a filter attached to the rod, and the supramolecular assembly, as menthol-release agent.
    Type: Application
    Filed: October 9, 2009
    Publication date: April 14, 2011
    Applicant: Philip Morris USA Inc.
    Inventors: Biao Duan, Munmaya K. Mishra, Peter J. Lipowicz, Shengsheng Liu
  • Patent number: 7842388
    Abstract: Polymers, and particularly conventional commodity bulk polymers, are modified to have a surface activity of interest using a surface modifying polymer that includes a moiety that favors migration to the surface of the bulk polymer together with a moiety provides the activity of interest (e.g., biocidal, wettability modifying (hydrophobic or hydrophilic), resistance to radiant energy, providing a functional group for functionalizing the surface, etc.). The surface modifying polymer is combined with the bulk polymer, and, due to the presence of the moiety that favors migration, concentrates primarily on the surface of the bulk polymer such that the moiety that provides the activity of interest is located primarily on the surface of the bulk polymeric article which is produced. Advantageously, only a minimal amount (such as, e.g., about 2 weight %) of polymeric surface modifier is needed. Being able to achieve desired properties (such as biocidal activity, wettability modification, etc.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: November 30, 2010
    Assignee: Virginia Commonwealth University
    Inventors: Kenneth Joseph Wynne, Biao Duan, Steven Grunzinger, Umit Makal, Pinar Kurt
  • Patent number: 7771793
    Abstract: Polymers, and particularly conventional commodity bulk polymers, are modified to have a surface activity of interest using a surface modifying polymer that includes a moiety that favors migration to the surface of the bulk polymer together with a moiety provides the activity of interest (e.g., biocidal, wettability modifying (hydrophobic or hydrophilic), resistance to radiant energy, providing a functional group for functionalizing the surface, etc.). The surface modifying polymer is combined with the bulk polymer, and, due to the presence of the moiety that favors migration, concentrates primarily on the surface of the bulk polymer such that the moiety that provides the activity of interest is located primarily on the surface of the bulk polymeric article which is produced. Advantageously, only a minimal amount (such as, e.g., about 2 weight %) of polymeric surface modifier is needed. Being able to achieve desired properties (such as biocidal activity, wettability modification, etc.
    Type: Grant
    Filed: December 1, 2005
    Date of Patent: August 10, 2010
    Assignees: Virginia Commonwealth University, The United States of America as represented by the Secretary of the Navy
    Inventors: Kenneth Joseph Wynne, Biao Duan, Steven Grunzinger, Umit Makal, Pinar Kurt, James Wynne
  • Patent number: 7771825
    Abstract: Polymers, and particularly conventional commodity bulk polymers, are modified to have a surface activity of interest using a surface modifying polymer that includes a moiety that favors migration to the surface of the bulk polymer together with a moiety provides the activity of interest (e.g., biocidal, wettability modifying (hydrophobic or hydrophilic), resistance to radiant energy, providing a functional group for functionalizing the surface, etc.). The surface modifying polymer is combined with the bulk polymer, and, due to the presence of the moiety that favors migration, concentrates primarily on the surface of the bulk polymer such that the moiety that provides the activity of interest is located primarily on the surface of the bulk polymeric article which is produced. Advantageously, only a minimal amount (such as, e.g., about 2 weight %) of polymeric surface modifier is needed. Being able to achieve desired properties (such as biocidal activity, wettability modification, etc.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: August 10, 2010
    Assignee: Virginia Commonwealth University
    Inventors: Kenneth Joseph Wynne, Biao Duan, Steven Grunzinger, Umit Makal, Pinar Kurt
  • Publication number: 20060194065
    Abstract: Polymers, and particularly conventional commodity bulk polymers, are modified to have a surface activity of interest using a surface modifying polymer that includes a moiety that favors migration to the surface of the bulk polymer together with a moiety provides the activity of interest (e.g., biocidal, wettability modifying (hydrophobic or hydrophilic), resistance to radiant energy, providing a functional group for functionalizing the surface, etc.). The surface modifying polymer is combined with the bulk polymer, and, due to the presence of the moiety that favors migration, concentrates primarily on the surface of the bulk polymer such that the moiety that provides the activity of interest is located primarily on the surface of the bulk polymeric article which is produced. Advantageously, only a minimal amount (such as, e.g., about 2 weight %) of polymeric surface modifier is needed. Being able to achieve desired properties (such as biocidal activity, wettability modification, etc.
    Type: Application
    Filed: March 14, 2006
    Publication date: August 31, 2006
    Inventors: Kenneth Wynne, Biao Duan, Steven Grunzinger, Umit Makal, Pinar Kurt
  • Publication number: 20060154083
    Abstract: Polymers, and particularly conventional commodity bulk polymers, are modified to have a surface activity of interest using a surface modifying polymer that includes a moiety that favors migration to the surface of the bulk polymer together with a moiety provides the activity of interest (e.g., biocidal, wettability modifying (hydrophobic or hydrophilic), resistance to radiant energy, providing a functional group for functionalizing the surface, etc.). The surface modifying polymer is combined with the bulk polymer, and, due to the presence of the moiety that favors migration, concentrates primarily on the surface of the bulk polymer such that the moiety that provides the activity of interest is located primarily on the surface of the bulk polymeric article which is produced. Advantageously, only a minimal amount (such as, e.g., about 2 weight %) of polymeric surface modifier is needed. Being able to achieve desired properties (such as biocidal activity, wettability modification, etc.
    Type: Application
    Filed: December 1, 2005
    Publication date: July 13, 2006
    Inventors: Kenneth Wynne, Biao Duan, Steven Grunzinger, Umit Makal, Pinar Kurt, James Wynne